Home / 90,811.53-136,250.10-46,459.17

Finding the Fourth Proportional to 90,811.53, 136,250.10 and 46,459.17

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Solution

The fourth proportional to 90,811.53, 136,250.10 and 46,459.17 is: 69,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,811.53 : 136,250.10 = 46,459.17 : x
  2. Step 2: Convert to fraction form
    90,811.53/136,250.10 = 46,459.17/x
  3. Step 3: Cross multiply
    90,811.53x = 136,250.10 × 46,459.17
  4. Step 4: Simplify right side
    90,811.53x = 6,330,066,558.42
  5. Step 5: Solve for x
    x = 6,330,066,558.42/90,811.53
  6. Step 6: Final answer
    x = 69,705.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.